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Rietveld-based quantitative phase analysis of sugars in confectionery

Nicholls, D., Shankland, K., Spillman, M. and Elleman, C. (2018) Rietveld-based quantitative phase analysis of sugars in confectionery. Food Analytical Methods, 11 (10). pp. 2673-2681. ISSN 1936-976X

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To link to this item DOI: 10.1007/s12161-018-1243-9

Abstract/Summary

Sugars are a near-ubiquitous ingredient in food products, yet rising rates of obesity and related illnesses have prompted a drive to reduce their content. The use of amorphous sugars in confectionery may be one way of achieving this by providing a similarly sweet sensation due to increased dissolution rate. However, accurate amorphous and crystalline form characterisation and quantification of complex foodstuffs can be difficult. In this study, a method for the quantification of crystalline and amorphous sugars in chocolate precursors, using powder X ray powder diffraction, is presented. The method was first validated by the use of known compositions of mixtures of amorphous and crystalline sugars, then employed in assessing two chocolate crumb samples. The results show that the method can reliably determine the absolute quantity of amorphous and crystalline components in a confectionery sample, whilst maintaining sample integrity, apart from the addition of an inert internal standard. As such, it is a valuable addition to other techniques currently used.

Item Type:Article
Refereed:Yes
Divisions:Interdisciplinary centres and themes > Chemical Analysis Facility (CAF)
Interdisciplinary centres and themes > Chemical Analysis Facility (CAF) > Xray (CAF)
Faculty of Life Sciences > School of Chemistry, Food and Pharmacy > School of Pharmacy > Pharmaceutics Research Group
ID Code:76226
Publisher:Springer

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